Cylinder kit Naraku 155cc forged piston for Yamaha and MBK with 5ML 4V engine

More power for your scooter! This is what this racing cylinder kit from Naraku promises for your 4-stroke scooter, and it doesn't require much effort! You can even reuse the original cylinder head and exhaust. Technical specifications: - 155cc cylinder, air-cooled, 4-stroke - Forged piston with raised piston crown for better compression and more power - Includes piston rings, pins, and clips - Includes gasket kit - For 125cc Yamaha and MBK scooters with 5ML engines. Scope of delivery: - 1x 4-stroke cylinder, 155cc - 1x piston - 1x piston pin - 1x cylinder gasket kit - 4x piston rings - 2x piston pin clips. Here's a helpful link for piston ring installation: http://www.youtube.com/watch?v=sS_99EB4KTw